<template>
  <HomePanel ref="targetRef" title="人气推荐" sub-title="人气爆款 不容错过">
    <ul class="goods-list">
      <li v-for="item in goods" :key="item.id">
        <RouterLink to="/">
          <img v-lazyLoad="item.picture" alt />
          <p class="name">{{ item.title }}</p>
          <p class="desc">{{ item.alt }}</p>
        </RouterLink>
      </li>
    </ul>
  </HomePanel>
</template>

<script>
import { useObserver } from '@/compositions/useObserver'
import { ref } from 'vue'
import HomePanel from './home-panel'
import { findHot } from '@/api/home'
export default {
  name: 'HomeHot',
  components: { HomePanel },
  setup () {
    // 1.定义响应式数据
    const goods = ref([])

    // 2.定义函数 函数内部调用接口函数
    async function getList () {
      const data = await findHot()
      goods.value = data.result
    }

    // 3. onMounted中调用getList
    const { target: targetRef } = useObserver(getList)
    return {
      goods,
      targetRef
    }
  }
}
</script>

<style scoped lang='less'>
.goods-list {
  display: flex;
  justify-content: space-between;
  height: 426px;
  li {
    width: 306px;
    height: 406px;
    img {
      width: 306px;
      height: 306px;
    }
    p {
      font-size: 22px;
      padding-top: 12px;
      text-align: center;
    }
    .desc {
      color: #999;
      font-size: 18px;
    }
  }
}
</style>
